PhysListEmStandard.cc

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#include "PhysListEmStandard.hh"

#include "G4BuilderType.hh"
#include "G4ParticleDefinition.hh"
#include "G4ProcessManager.hh"

#include "G4RayleighScattering.hh"
#include "G4PhotoElectricEffect.hh"
#include "G4ComptonScattering.hh"
#include "G4KleinNishinaModel.hh"
#include "G4GammaConversion.hh"
#include "G4GammaConversionToMuons.hh"

#include "G4eIonisation.hh"
#include "G4eBremsstrahlung.hh"
#include "G4eplusAnnihilation.hh"

#include "G4MuIonisation.hh"
#include "G4MuBremsstrahlung.hh"
#include "G4MuPairProduction.hh"

#include "G4hIonisation.hh"
#include "G4hBremsstrahlung.hh"
#include "G4hPairProduction.hh"

#include "G4ionIonisation.hh"
#include "G4IonParametrisedLossModel.hh"

#include "G4LossTableManager.hh"
#include "G4UAtomicDeexcitation.hh"

#include "G4SystemOfUnits.hh"

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PhysListEmStandard::PhysListEmStandard(const G4String& name)
   :  G4VPhysicsConstructor(name)
{
  G4EmParameters* param = G4EmParameters::Instance();
  param->SetDefaults();
  param->SetMinEnergy(10*eV);
  param->SetMaxEnergy(10*TeV);
  param->SetNumberOfBinsPerDecade(10);
  
  param->SetVerbose(0);
  param->Dump();
}

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PhysListEmStandard::~PhysListEmStandard()
{}

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void PhysListEmStandard::ConstructProcess()
{ 
  // Add standard EM Processes
  //
  auto particleIterator=GetParticleIterator();
  particleIterator->reset();
  while( (*particleIterator)() ){
    G4ParticleDefinition* particle = particleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();
    G4String particleName = particle->GetParticleName();
     
    if (particleName == "gamma") {

      pmanager->AddDiscreteProcess(new G4PhotoElectricEffect);
      G4ComptonScattering* compt   = new G4ComptonScattering;
      compt->SetEmModel(new G4KleinNishinaModel());
      pmanager->AddDiscreteProcess(compt);
      pmanager->AddDiscreteProcess(new G4GammaConversion);
      pmanager->AddDiscreteProcess(new G4GammaConversionToMuons);  
     
    } else if (particleName == "e-") {

      pmanager->AddProcess(new G4eIonisation,        -1,-1,1);
      pmanager->AddProcess(new G4eBremsstrahlung,    -1,-1,2);
            
    } else if (particleName == "e+") {

      pmanager->AddProcess(new G4eIonisation,        -1,-1,1);
      pmanager->AddProcess(new G4eBremsstrahlung,    -1,-1,2);
      pmanager->AddProcess(new G4eplusAnnihilation,   0,-1,3);
                  
    } else if (particleName == "mu+" || 
               particleName == "mu-"    ) {

      pmanager->AddProcess(new G4MuIonisation,      -1,-1,1);
      pmanager->AddProcess(new G4MuBremsstrahlung,  -1,-1,2);
      pmanager->AddProcess(new G4MuPairProduction,  -1,-1,3);       
                   
    } else if( particleName == "proton" ||
               particleName == "pi-" ||
               particleName == "pi+"    ) {

      pmanager->AddProcess(new G4hIonisation,       -1,-1,1);
      pmanager->AddProcess(new G4hBremsstrahlung,   -1,-1,2);      
      pmanager->AddProcess(new G4hPairProduction,   -1,-1,3);        
     
    } else if( particleName == "alpha" || 
               particleName == "He3"    ) {

      pmanager->AddProcess(new G4ionIonisation,     -1,-1,1);
            
    } else if( particleName == "GenericIon" ) {
 
      G4ionIonisation* ionIoni = new G4ionIonisation();
      ionIoni->SetEmModel(new G4IonParametrisedLossModel());
      pmanager->AddProcess(ionIoni,                 -1,-1,1);
      
    } else if ((!particle->IsShortLived()) &&
               (particle->GetPDGCharge() != 0.0) && 
               (particle->GetParticleName() != "chargedgeantino")) {
               
      //all others charged particles except geantino
      pmanager->AddProcess(new G4hIonisation,       -1,-1,1);      
    }
  }
    
  // Deexcitation
  //
  G4VAtomDeexcitation* deex = new G4UAtomicDeexcitation();
  G4LossTableManager::Instance()->SetAtomDeexcitation(deex);
}

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